New MVA Rescue solutions
2020 Honda CRV, step chocks will not reach
Higher Ground Clearance vehicles
In 2024, 74.5% of vehicles sold in the USA have a higher ground clearances than conventional step chocks. If your solution is to place step chocks as a wedge in front of forward wheels and behind rear wheels, proceed to the next problem.
.
2020 Range Rover AWD 500+ HP can easily overcome step chocks.
Automatic start/stop vehicles
The addition of auto start/stop and electronic transmissions vehicles are potential run a-ways until electrical lockout is achieved. The technique of positioning the step chocks in front of the front tires and behind the rear tires may enable non locked out vehicles proceed up and over your step chocks hitting or trapping personnel operating in front or behind vehicle. Try an experiment on easy high torque vehicles can overcome step chocks
AWD and 4WD Vehicles
These vehicles present twice the problem with both drive axles needing to be secured. Over half of the vehicles sold in the USA are AWD/4WD vehicles. Badging may not be present to identify.
21st Century problems:
Electronic transmissions can engage into in any gear when impacted by fire or short. Many vehicles during fires are left running with the transmissions in park when the driver flees from vehicle.
Higher torque and horsepower motors- electric motors, performance gas engines and diesels powertrains.
Low profile tires, Run Flat tires, Larger diameter wheels (higher MA)
All these technologies present a potential run-a-way risk that may need to have the tires removed from the ground before lockout can be accomplished.